You are given an E-R diagram with two entities,ORDER and CUSTOMER,as shown above.What does the symbol next to the ORDER entity indicate?
A) A maximum cardinality of "zero"
B) A maximum cardinality of "one"
C) A minimum cardinality of "optional"
D) A minimum cardinality of "required"
Correct Answer:
Verified
Q62: You are given an E-R diagram with
Q63: For a relationship to be considered a
Q64: An entity whose identifier includes the identifier
Q65: You are given an E-R diagram with
Q66: You are given an E-R diagram with
Q68: An occurrence of a particular entity is
Q69: An identifier may be _.
A)composite
B)optional
C)a relationship
D)minimal
Q70: An entity whose existence depends on the
Q71: Minimum cardinality refers to _.
A)the most instances
Q72: A hash mark across the relationship line
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